Mathematics, 24.11.2020 01:50 molinaemily009
On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with a standard deviation of 5.2. One test grade has a z-score of 2.4. Which of the following statements gives the best interpretation of this z-
score?
A. This student's test grade was higher than 2.4% of the other students' test grades.
B. This student's test grade was 2.4 standard deviations above the mean test grade.
C. This student's test grade was 2.4 standard deviations below the mean test grade.
D. The student's test grade was lower than 2.4% of the other students' test grades.
Answers: 1
Mathematics, 21.06.2019 19:10
Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?
Answers: 1
Mathematics, 21.06.2019 23:00
Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza
Answers: 2
Mathematics, 21.06.2019 23:50
Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10
Answers: 2
On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with...
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